Protective Elements
Trip Direction of the Under Frequency Load Shedding
Definitions
Load Flow Arrow System = Consumed active and reactive are counted positive (greater than zero)
Generator Flow Arrow System = produced power is to be counted positive (greater than zero)
By means of the parameter »
P Block dir« a sign reversal can be applied to the active power within the UFLS
module. Protective devices that use the load flow arrow (like the MCA4 or the MRA4) are to be set to »
Power Trip
dir= negative«. Protective devices that are working on the base of the generator flow arrow system to be set to
»
Power Trip dir= positive«.
949
MCDLV4
DOK-HB-MCDLV4-2E
Summary of Contents for HighPROtec MCDLV4
Page 3: ...Order Code Order Code 3 MCDLV4 DOK HB MCDLV4 2E...
Page 47: ...Installation and Connection 47 MCDLV4 DOK HB MCDLV4 2E...
Page 164: ...Input Output and LED Settings 164 MCDLV4 DOK HB MCDLV4 2E...
Page 433: ...Parameters 433 MCDLV4 DOK HB MCDLV4 2E...
Page 457: ...Device Parameters 457 MCDLV4 DOK HB MCDLV4 2E...
Page 473: ...Blockings 473 MCDLV4 DOK HB MCDLV4 2E...
Page 988: ...Protective Elements 988 MCDLV4 DOK HB MCDLV4 2E P P Q P Q P Q Q Q P S S...
Page 989: ...Protective Elements 989 MCDLV4 DOK HB MCDLV4 2E Pr Q P Q P Qr...
Page 1023: ...Protective Elements 1023 MCDLV4 DOK HB MCDLV4 2E...